Movies Like What's Up, Hideous Sun Demon

If you liked What's Up, Hideous Sun Demon (1983), a comedy and science fiction movie directed by Craig Mitchell, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Girl vs. Monster (2012)
★ 6.4/10Also comedy and science fiction
Skylar finds out that her parents are monster hunters after she accidentally releases some monsters from a secret containment chamber; so she and her techno friends must recapture all the monsters and also save her mom…
2
Mutant Pumpkins from Outer Space (2009)
★ 6.1/10Also comedy and science fiction
Susan Murphy (a.k.a. Ginormica) and the Monsters are now working with the US government as special ops. So when an alien presence is detected in Susan's hometown of Modesto, California -- right before Halloween -- the…
3
Young Frankenstein (1974)
★ 7.9/10Also comedy
A young neurosurgeon inherits the castle of his grandfather, the famous Dr. Victor von Frankenstein. In the castle he finds a funny hunchback, a pretty lab assistant and the elderly housekeeper. Young Frankenstein…
4
Family Guy Presents: Blue Harvest (2007)
★ 7.4/10Also comedy and science fiction
With the Griffins stuck at home during a blackout, Peter tells the story of "Star Wars Episode IV: A New Hope".
5
Hulk: Where Monsters Dwell (2016)
★ 6.6/10Also science fiction
This All Hallows’ Eve, Nightmare is bent on conquering our waking world by crossing through the Dream Dimension, and converting each dreamer into a monster. Can Dr. Strange, Hulk and the Howling Commandos hold the line…
6
Our Man Flint (1966)
★ 6.4/10Also comedy and science fiction
When scientists use eco-terrorism to impose their will on the world by affecting extremes in the weather, Intelligence Chief Cramden calls in top agent Derek Flint.
7
A Babysitter's Guide to Monster Hunting (2020)
★ 6.2/10Also comedy
Recruited by a secret society of babysitters, a high schooler battles the Boogeyman and his monsters when they nab the boy she's watching on Halloween.
8
Monsters vs Aliens (2009)
★ 6.3/10Also science fiction
When Susan Murphy is unwittingly clobbered by a meteor full of outer space gunk on her wedding day, she mysteriously grows to 49-feet-11-inches. The military jumps into action and captures Susan, secreting her away to…
9
Shaun the Sheep: The Beast of Mossy Bottom (2026)
★ 7.3/10Also science fiction and comedy
On Halloween Eve at Mossy Bottom Farm, excitement turns to dismay when the clumsy Farmer ruins the pumpkin patch. Shaun tries fixing it with science experiments, but things go awry when a wild beast appears in the woods.
10
Tom and Jerry's Giant Adventure (2013)
★ 5.9/10Also comedy
Tom And Jerry are among the last animals living in Storybook Town, a fairy tale-inspired theme park "where dreams come true, if you believe."
11
Evolution (2001)
★ 6.1/10Also comedy and science fiction
A comedy that follows the chaos that ensues when a meteor hits the Earth carrying alien life forms that give new meaning to the term "survival of the fittest." David Duchovny, Orlando Jones, Seann William Scott, and…
12
Monster Trucks (2016)
★ 6.1/10Also comedy and science fiction
Tripp is a high school senior with a knack for building trucks who makes an incredible discovery - a gas-guzzling creature named Creech. To protect his mischievous new friend, Tripp hides Creech under the hood of his…
13
Stewie Griffin: The Untold Story (2005)
★ 6.9/10Also comedy and science fiction
The maniacal baby of the Griffin family, Stewie, meets his future self. In doing this he discovers that his future image is not what he has anticipated because of a near death experience.
14
Mickey's House of Villains (2002)
★ 7.3/10Also comedy
The villains from the popular animated Disney films are gathered at the House of Mouse with plans to take over. Soon, the villains take over the house and kick out Mickey, Donald and Goofy. It's all up to Mickey and…
15
Mad Monster Party? (1967)
★ 6.5/10Also comedy
When Dr Frankenstein decides to retire from the monster-making business, he calls an international roster of monsters to a creepy convention to elect his successor. Everyone is there including Dracula, The Werewolf…
16
Sleeper (1973)
★ 6.8/10Also comedy and science fiction
Miles Monroe, a clarinet-playing health food store proprietor, is revived out of cryostasis 200 years into a future world in order to help rebels fight an oppressive government regime.
17
Tom and Jerry: Spy Quest (2015)
★ 6/10Also comedy
Two groups of classic cartoon characters come together in this fun-filled crossover with the popular action-adventure series Jonny Quest. Fans of all ages won't want to miss this heart-stopping romp as Tom and Jerry…
18
The Day the Earth Blew Up: A Looney Tunes Movie (2024)
★ 7.5/10Also comedy and science fiction
Porky and Daffy, the classic animated odd couple, turn into unlikely heroes when their antics at the local bubble gum factory uncover a secret alien mind control plot. Against all odds, the two are determined to save…
19
Caveman (1981)
★ 6.7/10Also comedy
Disgraced and cast out of his tribe for lusting after Lana, the mate of the tribe's head muscle man, Atouk stumbles along gathering other misfits and learning a bit about the world outside of his cave. Eventually he…
20
The Meteor Man (1993)
★ 5.8/10Also comedy and science fiction
One night Jefferson Reed gets hit in the chest by a souped-up chunk of meteor. So he can fly, but he's scared of heights. He can master the information in any book ... for about thirty seconds. Now his friends and…